UV Index
UV Index
Today's UV index in Cieszyn, Poland 
will be up to 5, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index reaching up to 5 in Cieszyn, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Cieszyn, Poland, is usually low to moderate, ranging from about 1 in winter to around 6 in summer. UV levels peak during midday hours in the warmer months.
Cieszyn experiences four distinct seasons. Winters are cold with snowfall, springs and autumns are mild with variable rain, and summers are warm, sometimes hot, with occasional thunderstorms.
Compared to other parts of Poland, Cieszyn's weather is similar but slightly cooler due to its location near the mountains. Neighboring Czech Republic areas have comparable seasonal patterns and temperatures as well.
See the UV index hour by hour for Cieszyn, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.